From nobody Tue Feb 10 13:55:21 2026 Received: from esa3.hgst.iphmx.com (esa3.hgst.iphmx.com [216.71.153.141]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8B447328625; Mon, 20 Oct 2025 13:42:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.71.153.141 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760967741; cv=none; b=GEiBZ4eH36WcfVZ4DsZW+aBPwltR8XFW4wcfpOM3HS93HRu3Y7RZBsAcEJSQH0iiIqG/KBul4IpdvoCLQ4n0fYXYr8nJi4Eoq9keQavcCKpZGJHc4Ajyb5pN363ZYPiPB4a7XqT6CJa+HJDuFfgFkd+28b+RI7pFj0ifRJ8MPTg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760967741; c=relaxed/simple; bh=OdfjZtE4yrZPklJRJdAbMW23KQKawKbqo1RInESKj3k=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Cp1MEY5vaKzqpc9Mui0ClsrQS5OlekfRUmg9pbwmzYm7NUDGRT9sLvYVSd/XCw/sBBFl2nDtgOyR0r4/DdWx6RPHOI8e595NcBJC8XX63jqF/klQBwzJzxju2vSf+YQ40jEAPfjH4OY6b9Kew74pIiufiGoCmJpb1aUCTEFaeBQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wdc.com; spf=pass smtp.mailfrom=wdc.com; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b=oaKf5m/c; arc=none smtp.client-ip=216.71.153.141 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=wdc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=wdc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="oaKf5m/c" DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1760967740; x=1792503740; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=OdfjZtE4yrZPklJRJdAbMW23KQKawKbqo1RInESKj3k=; b=oaKf5m/cu/+ikClh7tooesyQjDphqfxDvibc475aauQeBC26B+9wYp0u NukHWc3iTEXdKNwu9sZuM+nifrju39cKppun41KwFUdrAacUB64YcxNQ4 wpvGoIxhghp6Ct3bzcm/3L1j2jIRON8bfknsxgoQwsQduY25hiSfNH767 rAcA0LtfQ4geXCFHCboPtH+52uR3MBIf6AhaY7Dtnqxr9DRgS6f/Fw8HD i6s+oZqcEJM43WqocT56sHwB8Wt93OhX027dTAb2rupz6/CTWNBtKDNtx u1oc2sTUXHDG+gFhMM+c1dXK7Q32ZJ5EregHnQh+6WifM62krLHxOlXlK A==; X-CSE-ConnectionGUID: Q+OpfOvlQ+WGT0H7Din4tQ== X-CSE-MsgGUID: 98nyvdNxS6GU2NTHHAtjfQ== X-IronPort-AV: E=Sophos;i="6.19,242,1754928000"; d="scan'208";a="134518659" Received: from uls-op-cesaip02.wdc.com (HELO uls-op-cesaep03.wdc.com) ([199.255.45.15]) by ob1.hgst.iphmx.com with ESMTP; 20 Oct 2025 21:42:20 +0800 IronPort-SDR: 68f63c3b_GBf19eEcKD69xYEIibUJZKSSAyytyei0+yNNegYZVS7u9kb gF010qsHjGOw8OoK5uFONG/pCJwvX688zPn10Sg== Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep03.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 20 Oct 2025 06:42:19 -0700 WDCIronportException: Internal Received: from 1pgdl13.ad.shared (HELO neo.fritz.box) ([10.224.28.46]) by uls-op-cesaip02.wdc.com with ESMTP; 20 Oct 2025 06:42:15 -0700 From: Johannes Thumshirn To: axboe@kernel.dk Cc: chaitanyak@nvidia.com, dlemoal@kernel.org, hare@suse.de, hch@lst.de, john.g.garry@oracle.com, linux-block@vger.kernel.org, linux-btrace@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, martin.petersen@oracle.com, mathieu.desnoyers@efficios.com, mhiramat@kernel.org, naohiro.aota@wdc.com, rostedt@goodmis.org, shinichiro.kawasaki@wdc.com, Johannes Thumshirn Subject: [PATCH v4 11/16] blktrace: move trace_note to blk_io_trace2 Date: Mon, 20 Oct 2025 15:41:18 +0200 Message-ID: <20251020134123.119058-12-johannes.thumshirn@wdc.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20251020134123.119058-1-johannes.thumshirn@wdc.com> References: <20251020134123.119058-1-johannes.thumshirn@wdc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Move trace_note() to the new blk_io_trace2 infrastructure. Reviewed-by: Christoph Hellwig Signed-off-by: Johannes Thumshirn Reviewed-by: Damien Le Moal --- kernel/trace/blktrace.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c index 074a7d77158c..756d2c7dfdf2 100644 --- a/kernel/trace/blktrace.c +++ b/kernel/trace/blktrace.c @@ -173,18 +173,18 @@ static void relay_blktrace_event(struct blk_trace *bt= , unsigned long sequence, static void trace_note(struct blk_trace *bt, pid_t pid, u64 action, const void *data, size_t len, u64 cgid) { - struct blk_io_trace *t; struct ring_buffer_event *event =3D NULL; struct trace_buffer *buffer =3D NULL; unsigned int trace_ctx =3D 0; int cpu =3D smp_processor_id(); bool blk_tracer =3D blk_tracer_enabled; ssize_t cgid_len =3D cgid ? sizeof(cgid) : 0; - size_t trace_len; =20 - trace_len =3D sizeof(*t) + cgid_len + len; action =3D lower_32_bits(action | (cgid ? __BLK_TN_CGROUP : 0)); if (blk_tracer) { + struct blk_io_trace2 *t; + size_t trace_len =3D sizeof(*t) + cgid_len + len; + buffer =3D blk_tr->array_buffer.buffer; trace_ctx =3D tracing_gen_ctx_flags(0); event =3D trace_buffer_lock_reserve(buffer, TRACE_BLK, @@ -192,9 +192,9 @@ static void trace_note(struct blk_trace *bt, pid_t pid,= u64 action, if (!event) return; t =3D ring_buffer_event_data(event); - record_blktrace_event(t, pid, cpu, 0, 0, - action, bt->dev, 0, cgid, cgid_len, - (void *)data, len); + record_blktrace_event2(t, pid, cpu, 0, 0, + action, bt->dev, 0, cgid, cgid_len, + (void *)data, len); trace_buffer_unlock_commit(blk_tr, buffer, event, trace_ctx); return; } @@ -359,7 +359,7 @@ static void __blk_add_trace(struct blk_trace *bt, secto= r_t sector, int bytes, =20 buffer =3D blk_tr->array_buffer.buffer; trace_ctx =3D tracing_gen_ctx_flags(0); - trace_len =3D sizeof(struct blk_io_trace) + pdu_len + cgid_len; + trace_len =3D sizeof(struct blk_io_trace2) + pdu_len + cgid_len; event =3D trace_buffer_lock_reserve(buffer, TRACE_BLK, trace_len, trace_ctx); if (!event) --=20 2.51.0